#
# Load into and unload from secondary engine.
#
CREATE TABLE t1 (a INT) SECONDARY_ENGINE MOCK;
ALTER TABLE t1 SECONDARY_LOAD;
ALTER TABLE t1 SECONDARY_UNLOAD;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci SECONDARY_ENGINE=MOCK
DROP TABLE t1;
#
# Attempt to load and unload table with no secondary engine.
#
CREATE TABLE t1 (a INT);
ALTER TABLE t1 SECONDARY_LOAD;
ERROR HY000: Secondary engine operation failed. No secondary engine defined.
ALTER TABLE t1 SECONDARY_UNLOAD;
ERROR HY000: Secondary engine operation failed. No secondary engine defined.
ALTER TABLE t1 SECONDARY_ENGINE NULL;
DROP TABLE t1;
#
# Attempt to unload temporary table with no secondary engine.
#
CREATE TEMPORARY TABLE t1 (a INT);
ALTER TABLE t1 SECONDARY_LOAD;
ERROR HY000: Secondary engine operation failed. No secondary engine defined.
ALTER TABLE t1 SECONDARY_UNLOAD;
ERROR HY000: Secondary engine operation failed. No secondary engine defined.
ALTER TABLE t1 SECONDARY_ENGINE NULL;
DROP TABLE t1;
#
# Attempt to load into secondary engine in conjunction with other DDL
# operations.
#
CREATE TABLE t1 (a INT) SECONDARY_ENGINE MOCK;
ALTER TABLE t1 SECONDARY_LOAD, FORCE;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', FORCE' at line 1
DROP TABLE t1;
#
# Perform alterations related to secondary engine using differing
# algorithms.
#
CREATE TABLE t1 (a INT) SECONDARY_ENGINE MOCK;
ALTER TABLE t1 SECONDARY_LOAD, ALGORITHM=INPLACE;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', ALGORITHM=INPLACE' at line 1
ALTER TABLE t1 SECONDARY_UNLOAD, ALGORITHM=INPLACE;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', ALGORITHM=INPLACE' at line 1
ALTER TABLE t1 SECONDARY_LOAD, ALGORITHM=COPY;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', ALGORITHM=COPY' at line 1
ALTER TABLE t1 SECONDARY_UNLOAD, ALGORITHM=COPY;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ', ALGORITHM=COPY' at line 1
ALTER TABLE t1 SECONDARY_ENGINE NULL, ALGORITHM=INPLACE;
ALTER TABLE t1 SECONDARY_ENGINE MOCK, ALGORITHM=INPLACE;
ALTER TABLE t1 SECONDARY_ENGINE NULL, ALGORITHM=COPY;
ALTER TABLE t1 SECONDARY_ENGINE MOCK, ALGORITHM=COPY;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci SECONDARY_ENGINE=MOCK
DROP TABLE t1;
#
# Load and unload a table in one session while another session
# accesses the table concurrently.
#
CREATE TABLE t1 (a INT) SECONDARY_ENGINE MOCK;
DROP TABLE t1;
#
# Attempt to LOCK TABLE before loading a table into secondary engine.
#
CREATE TABLE t1 (a INT) SECONDARY_ENGINE MOCK;
LOCK TABLES t1 WRITE;
ALTER TABLE t1 SECONDARY_LOAD;
ALTER TABLE t1 SECONDARY_UNLOAD;
UNLOCK TABLES;
LOCK TABLES t1 READ;
ALTER TABLE t1 SECONDARY_LOAD;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
ALTER TABLE t1 SECONDARY_UNLOAD;
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
LOCK TABLES t1 WRITE;
ALTER TABLE t1 SECONDARY_LOAD;
ALTER TABLE t1 SECONDARY_UNLOAD;
UNLOCK TABLES;
ALTER TABLE t1 SECONDARY_LOAD;
ALTER TABLE t1 SECONDARY_UNLOAD;
DROP TABLE t1;
#
# Bug#28835066: Table not unloaded with SECONDARY_ENGINE = NULL
#
CREATE TABLE t1 (a INT) SECONDARY_ENGINE MOCK;
ALTER TABLE t1 SECONDARY_LOAD;
ALTER TABLE t1 SECONDARY_ENGINE NULL;
ALTER TABLE t1 SECONDARY_ENGINE MOCK;
FLUSH STATUS;
SELECT * FROM t1;
a
SHOW SESSION STATUS LIKE 'Secondary_engine_execution_count';
Variable_name	Value
Secondary_engine_execution_count	0
DROP TABLE t1;
#
# Exclude some columns from secondary engine.
#
CREATE TABLE t1 (
a INT,
b INT NOT SECONDARY,
c INT,
d INT NOT SECONDARY
) SECONDARY_ENGINE MOCK;
ALTER TABLE t1 SECONDARY_LOAD;
DROP TABLE t1;
#
# Attempt to exclude all columns from secondary engine.
#
CREATE TABLE t1 (a INT NOT SECONDARY, b INT NOT SECONDARY) SECONDARY_ENGINE MOCK;
CREATE TABLE t2 (a INT NOT SECONDARY, KEY i ((a < 10))) SECONDARY_ENGINE MOCK;
ALTER TABLE t1 SECONDARY_LOAD;
ERROR HY000: Secondary engine operation failed. All columns marked as NOT SECONDARY.
ALTER TABLE t2 SECONDARY_LOAD;
ERROR HY000: Secondary engine operation failed. All columns marked as NOT SECONDARY.
DROP TABLE t1, t2;